KOLLODZIEJ

Oil · District 01 · Lease #11561

Operator: RATEX ENERGY INC.

Fields: MARCELINA CREEK (AUSTIN CHALK)

Cum Oil

2k BBL

Cum Gas

34 MCF

casinghead

Wells

1

Production

1993-01 — 1996-05

Peak Month

1993-01

Production History

Cum Oil: 1,518 BBL Cum Gas: 34 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

86 BBL/mo

Di (annual)

70.7%

b-factor

0.0

EUR

1,441 BBL

R-squared

0.402

type

exponential

Operator History (from monthly production reports)

1996-06 — 2008-03 FRIO SWD, INC. 142 mo

1995-05 — 1996-05 RATEX ENERGY INC. 13 mo

1995-04 — 1995-04 OMNI OPERATING COMPANY(A) 1 mo

1993-05 — 1995-03 M IV OPS., INC. 23 mo

1993-01 — 1993-04 MARK IV ENERGY 4 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-493-31900	RATEX ENERGY INC.	4	6,500	1995-05-03